Home / 84,878.85-117,132.24-46,638.81

Finding the Fourth Proportional to 84,878.85, 117,132.24 and 46,638.81

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Solution

The fourth proportional to 84,878.85, 117,132.24 and 46,638.81 is: 64,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,878.85 : 117,132.24 = 46,638.81 : x
  2. Step 2: Convert to fraction form
    84,878.85/117,132.24 = 46,638.81/x
  3. Step 3: Cross multiply
    84,878.85x = 117,132.24 × 46,638.81
  4. Step 4: Simplify right side
    84,878.85x = 5,462,908,286.23
  5. Step 5: Solve for x
    x = 5,462,908,286.23/84,878.85
  6. Step 6: Final answer
    x = 64,361.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.